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147 lines
5.1 KiB
C++
147 lines
5.1 KiB
C++
/* $Id$ */
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/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file ai_industrytype.cpp Implementation of AIIndustryType. */
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#include "ai_industrytype.hpp"
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#include "ai_map.hpp"
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#include "../../strings_func.h"
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#include "../../industry.h"
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#include "../../newgrf_industries.h"
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#include "../../core/random_func.hpp"
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/* static */ bool AIIndustryType::IsValidIndustryType(IndustryType industry_type)
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{
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if (industry_type >= NUM_INDUSTRYTYPES) return false;
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return ::GetIndustrySpec(industry_type)->enabled;
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}
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/* static */ bool AIIndustryType::IsRawIndustry(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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return ::GetIndustrySpec(industry_type)->IsRawIndustry();
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}
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/* static */ bool AIIndustryType::ProductionCanIncrease(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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if (_settings_game.game_creation.landscape != LT_TEMPERATE) return true;
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return (::GetIndustrySpec(industry_type)->behaviour & INDUSTRYBEH_DONT_INCR_PROD) == 0;
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}
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/* static */ Money AIIndustryType::GetConstructionCost(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return -1;
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if (::GetIndustrySpec(industry_type)->IsRawIndustry() && _settings_game.construction.raw_industry_construction == 0) return -1;
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return ::GetIndustrySpec(industry_type)->GetConstructionCost();
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}
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/* static */ char *AIIndustryType::GetName(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return NULL;
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static const int len = 64;
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char *industrytype_name = MallocT<char>(len);
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::GetString(industrytype_name, ::GetIndustrySpec(industry_type)->name, &industrytype_name[len - 1]);
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return industrytype_name;
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}
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/* static */ AIList *AIIndustryType::GetProducedCargo(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return NULL;
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const IndustrySpec *ins = ::GetIndustrySpec(industry_type);
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AIList *list = new AIList();
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for (size_t i = 0; i < lengthof(ins->produced_cargo); i++) {
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if (ins->produced_cargo[i] != CT_INVALID) list->AddItem(ins->produced_cargo[i]);
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}
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return list;
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}
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/* static */ AIList *AIIndustryType::GetAcceptedCargo(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return NULL;
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const IndustrySpec *ins = ::GetIndustrySpec(industry_type);
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AIList *list = new AIList();
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for (size_t i = 0; i < lengthof(ins->accepts_cargo); i++) {
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if (ins->accepts_cargo[i] != CT_INVALID) list->AddItem(ins->accepts_cargo[i]);
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}
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return list;
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}
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/* static */ bool AIIndustryType::CanBuildIndustry(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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if (!::CheckIfCallBackAllowsAvailability(industry_type, IACT_USERCREATION)) return false;
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if (!::GetIndustrySpec(industry_type)->IsRawIndustry()) return true;
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/* raw_industry_construction == 1 means "Build as other industries" */
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return _settings_game.construction.raw_industry_construction == 1;
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}
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/* static */ bool AIIndustryType::CanProspectIndustry(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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if (!::GetIndustrySpec(industry_type)->IsRawIndustry()) return false;
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if (!::CheckIfCallBackAllowsAvailability(industry_type, IACT_USERCREATION)) return false;
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/* raw_industry_construction == 2 means "prospect" */
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return _settings_game.construction.raw_industry_construction == 2;
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}
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/* static */ bool AIIndustryType::BuildIndustry(IndustryType industry_type, TileIndex tile)
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{
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EnforcePrecondition(false, CanBuildIndustry(industry_type));
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EnforcePrecondition(false, AIMap::IsValidTile(tile));
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uint32 seed = ::InteractiveRandom();
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return AIObject::DoCommand(tile, (::InteractiveRandomRange(::GetIndustrySpec(industry_type)->num_table) << 8) | industry_type, seed, CMD_BUILD_INDUSTRY);
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}
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/* static */ bool AIIndustryType::ProspectIndustry(IndustryType industry_type)
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{
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EnforcePrecondition(false, CanProspectIndustry(industry_type));
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uint32 seed = ::InteractiveRandom();
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return AIObject::DoCommand(0, industry_type, seed, CMD_BUILD_INDUSTRY);
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}
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/* static */ bool AIIndustryType::IsBuiltOnWater(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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return (::GetIndustrySpec(industry_type)->behaviour & INDUSTRYBEH_BUILT_ONWATER) != 0;
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}
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/* static */ bool AIIndustryType::HasHeliport(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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return (::GetIndustrySpec(industry_type)->behaviour & INDUSTRYBEH_AI_AIRSHIP_ROUTES) != 0;
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}
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/* static */ bool AIIndustryType::HasDock(IndustryType industry_type)
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{
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if (!IsValidIndustryType(industry_type)) return false;
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return (::GetIndustrySpec(industry_type)->behaviour & INDUSTRYBEH_AI_AIRSHIP_ROUTES) != 0;
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}
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